SAULT STE. MARIE — Local law enforcement officers and court staff members assisted more than two dozen children with shopping for Christmas gifts on Thursday evening during the annual "Shop With a Hero" event, coordinated by the Sault Ste. Marie post of the Michigan State Police.

A gunman who announced online that he was planning to shoot two "pigs" in retaliation for the police chokehold death of Eric Garner ambushed two officers in a patrol car and shot them to death in broad daylight Saturday before running to a subway...